-1
People are having trouble recovering data from a future function when arriving in snapshot... presents this error:
AsyncSnapshot<List<Episodio>>(ConnectionState.done, null, Exception: type 'List<dynamic>' is not a subtype of type 'FutureOr<List.....
Exception: type 'List<dynamic>' is not a subtype of type 'FutureOr<List<class>>'
Onde posso está errando?
my function Future that will be passed further on FutureBuilder.
Future <List<Episodio>> getAnime()async{
try{
List teste=[];
List test=
(widget.animes.temporada.map((t)=>t.episodios.map((e)=>Episodio(
))).toList()) ;
return test;
}catch(e){
throw Exception(e);
}
}
.. in the Future Builder
@override
Widget build(BuildContext context) {
return Scaffold(
body: FutureBuilder(
future: getAnime(),
builder: (context,snapshot){
if(!snapshot.hasData){return Center(child: CircularProgressIndicator(),);}
else if(snapshot.hasError){return Center(child: Text("Erro"),);}
else{
return ListView.builder(
itemCount: snapshot.data.length,
itemBuilder: (context, index){
print (" teste:${snapshot.data[index]}");
return ListTile(
leading: Image.network(snapshot.data[index].toString(),fit: BoxFit.cover,width: 100,height: 50,),
);
});
}
}),
What is being informed are the types of data that are incompatible. Only by the snippet of code that posted could not reproduce the error. It would be better to have the full example to be able to open in Vscode without import problems.
– Leonardo Paim
A tip that I can pass on is to use your editor’s messages to see the type of return of your function and if it is compatible with what is being expected in the call you made using it.
– Leonardo Paim